/**
* Starts error handler and stdout buffering.
*
* @param Call $call
*/
private function startErrorAndOutputBuffering(Call $call)
{
$errorReporting = $call->getErrorReportingLevel() ?: $this->errorReportingLevel;
set_error_handler(array($this, 'handleError'), $errorReporting);
$this->obStarted = ob_start();
}
